Depend on gnome-common-git (Automake 1.13 support)

gnome-common-git provides the latest gnome-autogen.sh, which supports
Automake 1.13.

This change should be reverted once gnome-common has a more up-to-date gnome-
autogen.sh.
Build the Gnome 3.10 moduleset

gnome-apps-3.10 points to the latest GNOME sources.